背景有基因1型丙型肝炎病毒（HCV）感染，但对聚乙二醇干扰素α和利巴韦林疗法没有持续应答的病人，复治成功的可能性低。
Background Patients with genotype 1 hepatitis C virus (HCV) who do not have a sustained response to therapy with peginterferon alfa and ribavirin have a low likelihood of success with retreatment.
注意力不足过动症常常用兴奋剂(利他林)来治疗，同时伴以行为疗法。
ADHD is often partly treated with a stimulant (Ritalin), along with behaviour therapy.
这种疗法对59岁的玛丽 彼得森意义重大，一位在林恩 麻萨诸塞州的退休电话公司员工。
The therapy impressed Mary Petersen, 59, a retired phone company employee from Lynn, Mass.
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